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GX1256SPage 12
4.3 ACCESSORY CABLE
White: External speaker (+)
Shield: External speaker (–)
Blue: NMEA IN (+) from GPS navigation receiver
Green: NMEA common
Gray: NMEA OUT (+) to GPS navigation receiver
Brown: Test port (for the Service Technican)
When connecting the external speaker or GPS navigation receiver, strip off
about 1 inch (2.5 cm) of the specified wire’s insulation, then splice the ends
together.
Wire Color/Description
WHITE - External Speaker
(
+
)
SHIELD - External Speaker
(–)
GREEN - NMEA Ground
BLUE- NMEA Input (+)
GRAY- NMEA Output (+)
Connection Examples
Connect to external 4 Ohm audio speaker
Connect to external 4 Ohm audio speaker
Connect to NMEA
(–)
connection of GPS
Connect to NMEA
(
+
)
output of GPS
Connect to NMEA
(
+
)
input of GPS
External Speaker
Green
Gray
Blue
Shield
White
Brown
Green
Blue